from paraview.util.vtkAlgorithm import *
from vtkmodules.numpy_interface import dataset_adapter as dsa
from vtkmodules.vtkCommonDataModel import vtkDataSet
import numpy as np

@smproxy.reader(name="MyWRFReader", label="My WRF Reader")
@smproperty.input(name="Input", port_index=0)
@smdomain.datatype(dataTypes=["vtkPointSet"])
@smdomain.xml("""<InputArrayDomain attribute_type="point" name="input_normal" number_of_components="3" />""")
@smhint.filechooser(extensions="csv", file_description="Numpy CSV files")
class MyWRFReader(VTKPythonAlgorithmBase):
    def __init__(self):
        VTKPythonAlgorithmBase.__init__(self, nInputPorts=0, nOutputPorts=1, outputType="vtkPointSet")
        self._filename = None
       

   # def RequestData(self, request, inInfoVec, outInfoVec):
        """inData = self.GetInputData(inInfo, 0, 0)
        outData = self.GetOutputData(outInfo, 0)
        assert inData is not None
        if outData is None or (not outData.IsA(inData.GetClassName())):
            outData = inData.NewInstance()
            outInfo.GetInformationObject(0).Set(outData.DATA_OBJECT(), outData)
        return super().RequestDataObject(request, inInfo, outInfo)"""

    @smproperty.stringvector(name="Normal")
    
    def SetNormalArray(self, name):
        if name != self.NormalArray:
            self.NormalArray = name
            self.Modified()


    @smproperty.doublevector(name="Factor", default_values="1")
    @smdomain.doublerange(min=0, max=10)
    def SetFactor(self, i):
        if i != self.WarpFactor:
            self.WarpFactor = i
            self.Modified()

    def RequestData(self, request, inInfo, outInfo):
       from vtkmodules.vtkCommonDataModel import imageToVTK
       from vtkmodules.numpy_interface import dataset_adapter as dsa
       output = vtkPolyData.GetData(outInfo)

       return 1